On 23 Oct 1727 when John was 26, he first married Mary Bisbee (16053) , daughter of John Bisbee (5984) (ca 1645-4 Sep 1726) & Joanna Brooks (6018) (ca Oct 1659-17 Aug 1726).13 Born on 28 Mar 1693 in Marshfield, MA.62 Mary was baptized in the Second Church of Scituate, in 1696.52 Mary died bef Nov 1739.

On 21 Nov 1739 when John was 38, he second married Mary Jacob.

On 8 Jul 1740 when Shadrach was 37, he married Elizabeth Stockbridge (14825) , daughter of Benjamin Stockbridge (17806) (9 Oct 1677-11 Jun 1725) & Mercy Tilden (5336) (1 May 1674-Jan/Feb 1743/4), in Hanover, MA.239 Born on 19 Aug 1702 in Scituate, MA.52

Elizabeth and her first husband Amos Turner were second cousins; his maternal grandmother and her paternal grandfather were siblings.

Elizabeth was living with her husband Shadrach Keen in Bridgewater, MA, 17 Apr 1753.239